It is most times our inability to keep promises Noone forced you to make thats is closing heaven against us.Even though it is true we have some pastors that will pray against you out of pain of disappointments I want to state it that it is not every pastor that will do that. If you made a vow somewhere go and fulfil your vows, if you have lost contact fulfill your vows in your current church or any church of your choice. May mercy speak for you in Jesus name.